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Dynamic characteristics analysis of large-scale doubly-fed wind turbine elastic support
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Yaojie Yin1, Jingchun Chu2, Peixue Jiang3
Renewable Energy Resources | 2024, 42(8) : 1054 - 1060
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Renewable Energy Resources | 2024, 42(8): 1054-1060
Dynamic characteristics analysis of large-scale doubly-fed wind turbine elastic support
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Yaojie Yin1, Jingchun Chu2, Peixue Jiang3
Affiliations
  • 1 GuoDian United Power Technology Co., Ltd. Beijing 100039 China
  • 2 CHN Energy New Energy Technology Research Institute Co., Ltd. Beijing 102209 China
  • 3 Department of Thermal Engineering Tsinghua University Beijing 100084 China
Published: 2024-08-20
Outline
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The wind turbine is developing towards largescale and intelligent, the loads of the turbine are increasing exponentially, which puts forward higher requirements for the dynamic design of the turbine components. In this paper takes the elastic support of wind turbine gearbox as the research object, and the dynamic model of entire wind turbine is established by using multibody multidynamics software, coupled with the calculation of aerodynamic load and the control program of wind turbine. The timefrequency characteristics of the dynamic response of the elastic support under uniform wind are calculated, and the influences of wind shear, tower shadow effect and nonlinear stiffness on the elastic support are compared and analyzed. Finally, the dynamic response of the elastic support of the wind turbine under the condition of turbulent wind are simulated. The results show that when the elastic support is damaged and only matches 50% of the stiffness, the response of the elastic support increases sharply, exceeding the vibration standard safety threshold by more than 4 times, which affects the safe and stable operation of the whole wind turbine.

wind turbine  /  multi-dynamics  /  nonlinear stiffness  /  elastic support  /  dynamic characteristics
Yaojie Yin, Jingchun Chu, Peixue Jiang. Dynamic characteristics analysis of large-scale doubly-fed wind turbine elastic support[J]. Renewable Energy Resources, 2024 , 42 (8) : 1054 -1060 .
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Article Info
  • Receive Date：2023-02-06
  • Online Date：2025-07-22
  • Published：2024-08-20
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  • Received：2023-02-06
Funding
Affiliations
    1 GuoDian United Power Technology Co., Ltd. Beijing 100039 China
    2 CHN Energy New Energy Technology Research Institute Co., Ltd. Beijing 102209 China
    3 Department of Thermal Engineering Tsinghua University Beijing 100084 China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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